Triple
T23317175
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Roanoke station |
E590740
|
entity |
| Predicate | precededByStationOnNortheastRegional |
P151840
|
FINISHED |
| Object | Lynchburg station |
—
|
NE NERFINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Lynchburg station | Statement: [Roanoke station, precededByStationOnNortheastRegional, Lynchburg station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lynchburg station Context triple: [Roanoke station, precededByStationOnNortheastRegional, Lynchburg station]
-
A.
Charlottesville station
Charlottesville station is a passenger rail station in Charlottesville, Virginia, that serves as a regional transportation hub for Amtrak services in the area.
-
B.
Roanoke station
Roanoke station is a passenger rail station in Roanoke, Virginia, serving as an Amtrak stop and regional transportation hub in the state's rail network.
-
C.
Cumberland station
Cumberland station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city's Northwest Side and nearby suburbs with park-and-ride access to O'Hare International Airport and downtown Chicago.
-
D.
Greensboro Station
Greensboro Station is a Washington Metro Silver Line station serving the Tysons area of Fairfax County, Virginia.
-
E.
Richmond station
Richmond station is a major Bay Area Rapid Transit (BART) and Amtrak intermodal rail hub located in Richmond, California.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lynchburg station Target entity description: Lynchburg station is an Amtrak passenger rail station in Lynchburg, Virginia, serving as a regional hub for intercity train service.
-
A.
Charlottesville station
Charlottesville station is a passenger rail station in Charlottesville, Virginia, that serves as a regional transportation hub for Amtrak services in the area.
-
B.
Roanoke station
Roanoke station is a passenger rail station in Roanoke, Virginia, serving as an Amtrak stop and regional transportation hub in the state's rail network.
-
C.
Cumberland station
Cumberland station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city's Northwest Side and nearby suburbs with park-and-ride access to O'Hare International Airport and downtown Chicago.
-
D.
Greensboro Station
Greensboro Station is a Washington Metro Silver Line station serving the Tysons area of Fairfax County, Virginia.
-
E.
Richmond station
Richmond station is a major Bay Area Rapid Transit (BART) and Amtrak intermodal rail hub located in Richmond, California.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: precededByStationOnNortheastRegional Context triple: [Roanoke station, precededByStationOnNortheastRegional, Lynchburg station]
-
A.
precedingStation
Indicates that one station is located immediately before another station in a route or sequence.
-
B.
previousStationOnLine1Northbound
Indicates that one station is immediately before another station when traveling northbound on line 1.
-
C.
hasAdjacentStationOnNorthCentralService
Indicates that one station is directly next to another station along the North Central Service line.
-
D.
adjacentStationNorth
Indicates that one station is directly adjacent to another station to its north.
-
E.
precedingStationTowards
Indicates that one station is immediately before another station along a specified direction or route toward a given destination.
- F. None of above. chosen
Provenance (4 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69e25d1d32188190948eb76909d1dcc3 |
completed | April 17, 2026, 4:17 p.m. |
| NER | Named-entity recognition | batch_69f197828c408190ae071624e40de4cc |
completed | April 29, 2026, 5:30 a.m. |
| PD | Predicate disambiguation | batch_69effcf8ca2c8190887d4f4656617d21 |
completed | April 28, 2026, 12:19 a.m. |
| PDg | Predicate description generation | batch_69f01d88b4ec8190a2a17a88e0eda178 |
completed | April 28, 2026, 2:38 a.m. |
Created at: April 17, 2026, 5:06 p.m.